Philips Semiconductors
74LVC14A
Hex inverting Schmitt trigger with 5 V tolerant input
14. Transfer characteristics
Table 11: Transfer characteristics
The V
IH
and V
IL
from the family static characteristics are superseded by the V
T+
and V
T
−
.
Voltages are referenced to GND (ground = 0 V); see
Symbol Parameter
T
amb
=
−40 °C
to +85
°C
V
T+
positive-going threshold
V
CC
= 1.2 V
V
CC
= 2.5 V
V
CC
= 2.7 V
V
CC
= 2.7 V to 3.6 V
V
T−
negative-going threshold
V
CC
= 1.2 V
V
CC
= 2.5 V
V
CC
= 2.7 V
V
CC
= 2.7 V to 3.6 V
V
H
hysteresis (V
T+
−
V
T−
)
V
CC
= 1.2 V
V
CC
= 2.5 V
V
CC
= 2.7 V
V
CC
= 2.7 V to 3.6 V
T
amb
=
−40 °C
to +125
°C
V
T+
positive-going threshold
V
CC
= 1.2 V
V
CC
= 2.5 V
V
CC
= 2.7 V
V
CC
= 2.7 V to 3.6 V
V
T−
negative-going threshold
V
CC
= 1.2 V
V
CC
= 2.5 V
V
CC
= 2.7 V
V
CC
= 2.7 V to 3.6 V
V
H
hysteresis (V
T+
−
V
T−
)
V
CC
= 1.2 V
V
CC
= 2.5 V
V
CC
= 2.7 V
V
CC
= 2.7 V to 3.6 V
[1]
[2]
All typical values are measured at nominal V
CC
and T
amb
= 25
°C.
Typical transfer characteristic is displayed in
Conditions
Min
-
0.9
1.1
1.1
0
0.4
0.8
0.8
-
0.3
0.3
0.3
-
0.9
1.1
1.1
0
0.4
0.8
0.8
-
0.2
0.3
0.3
Typ
-
-
-
-
-
-
-
-
-
-
0.4
0.45
-
-
-
-
-
-
-
-
-
-
-
-
Max
1.2
1.7
2.0
2.0
-
1.2
1.5
1.5
-
-
-
-
1.2
1.7
2.0
2.0
-
1.2
1.5
1.5
-
-
-
-
Unit
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
9397 750 14591
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet
Rev. 04 — 15 February 2005
10 of 19
PHILIPS [ NXP SEMICONDUCTORS ]
